Looking back on the summer movies, one of the ones I enjoyed the most was Teen Titans GO! to the Movies. It was an entertaining romp that had several laugh out loud moments and some hilarious cameos. One of the best cameos came from Stan Lee, appearing for the first time in a DC film, and you can now see his two brief scenes for yourself.

Those that may have doubted Stan Lee's self-awareness in the past can rejoice at the fact that he gets it and can hang in movies outside the Marvel Universe. His willingness to participate in this flick raised his stock substantially in my portfolio, and I'm glad that he can poke fun at his own cameos.

The second best cameo in the film comes from Nic Cage as Superman, finally getting his chance to bring his favorite comic book character to life. Third best has to be DC team Challengers of the Unknown, who are the subject of the film's best running gag. Stay all the way through the credits for that one to pay off.

And finally—speaking of celebrities whose self-awareness has improved my opinion of them—my fourth favorite cameo in the film comes from this musical number featuring Michael Bolton as a keytar rockin' magical tiger whose dad might be a cop...